Home / 33,327.32-45,992.14-18,219.74

Finding the Fourth Proportional to 33,327.32, 45,992.14 and 18,219.74

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Solution

The fourth proportional to 33,327.32, 45,992.14 and 18,219.74 is: 25,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,327.32 : 45,992.14 = 18,219.74 : x
  2. Step 2: Convert to fraction form
    33,327.32/45,992.14 = 18,219.74/x
  3. Step 3: Cross multiply
    33,327.32x = 45,992.14 × 18,219.74
  4. Step 4: Simplify right side
    33,327.32x = 837,964,832.84
  5. Step 5: Solve for x
    x = 837,964,832.84/33,327.32
  6. Step 6: Final answer
    x = 25,143.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.